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3.5 Carnation Mine • <br /> <br />Description: The Carnation Mine is a uranium mining excavation facility that is on temporary <br />standby status with a former mine entrance portal that may be used for mine ventilation and <br />secondary escapeway. An old shop is located at this facility with no activity or storage and there <br />are no current mining operations at this location. The Site Location Map and mine-specific Site <br />Map are provided in Appendix A of this plan. The Site Map (Figure 2E) shows the location of <br />buildings. <br />Operation: The facility is no longer in operation. The site is not manned at this specific <br />location. <br />Bulk Storage: Carnation Mine has no bulk storage at this time. <br />Equipment: This facility has no SPCC-regulated equipment at this location. <br />Loading Operations: There are no loading operations that occur at the Carnation Mine. <br />Piping Systems: There are no sections of aboveground piping at this location. <br />Site Drainage: Surface drainage flows to the north and the northeast over a series of earthen <br />berms which act as water bars to slow the flow rate of runoff. A portion of the south half of the <br />site drains into a temporary sediment trap that is located in the middle of the site. The drainage • <br />from the berm and the trap discharges to the north into a tributary of Big Gypsum Creek, an <br />intermittent creek located approximately 1/2 mile north of the reclaimed mine area. Big Gypsum <br />Creek ultimately discharges west to the Dolores River, which ultimately discharges northwest to <br />the Colorado River. The topographic lines on Figure 2E in Appendix A depict the site flow <br />pattern, and Figure 1 shows the regional topography. <br />Denison Mines (USA) Corp. 17 SPCC Plan <br />Sunday Mines December 2007